APA (7th ed.) Citation

Petulla, J. M. (1980). American environmentalism: Values, tactics, priorities. Texas A&M University Press.

Chicago Style (17th ed.) Citation

Petulla, Joseph M. American Environmentalism: Values, Tactics, Priorities. College Station ; London: Texas A&M University Press, 1980.

MLA (9th ed.) Citation

Petulla, Joseph M. American Environmentalism: Values, Tactics, Priorities. Texas A&M University Press, 1980.